Algebra Examples

$[\begin{array}{c} 4 & - 3 \\ 4 & 5 \end{array}] = [\begin{array}{c} 4 & x \\ 4 & 5 \end{array}]$

Step 1

The matrix equation can be written as a set of equations.

$4 = 4$

$- 3 = x$

$4 = 4$

$5 = 5$

Step 2

Rewrite the equation as $x = - 3$ .

$x = - 3$